Back
English Dictionary
Learn English
Learn grammar
List of words
Study your cards
Hang On, Man!
Audio Books
More apps
SPONSORED LINKS
Recent searches
gullet
acromyotonia
minuet
SPONSORED LINKS
SPONSORED LINKS
study
thirty-eight
buttercup
illness
gardens
scarecrowish
map
Hide translation
actinide
actinide
/ˈækˈtɪnˌaɪd/
noun
Any of a series of radioactive elements with atomic numbers 89 through 103
(
actinide
,
actinoid
,
actinon
)
any of a series of radioactive elements with atomic numbers 89 through 103
Back
Next
Language